SAA2520 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

比赛名单

SAA2520

Stereo filter and codec for MPEG layer 1 audio applications

Philips Electronics 

Philips Semiconductors

Stereo filter and codec for MPEG layer 1

audio applications

Preliminary specification

SAA2520

handbook, full pagewidth

from SAA2521

ALLOCATION &

SCALE FACTOR

INFORMATION

TABLE

base band

samples

SUB-BAND

FILTER

sub - band

samples

SCALING &

QUANTIZATION

allocation information

and scale factor indices

SYNC AND

CODING

INFORMATION

quantized samples

FORMATTER

MPEG

OUTPUT

DATA

MLB128

Fig.4 Encoding mode.

handbook, full pagewidth

sync/coding

CONTROL

MPEG

input

data

allocation

DE–

FORMATTER

scale factor

quantized

samples

SCALE

FACTOR

ARRAY

& ALLOCATION

DEQUANTIZATION

MULTIPLY

sub-band

samples

OUTPUT

CONTROL

SUB-BAND

FILTER

base band

samples

Fig.5 Decoding mode.

MLB129

August 1993

6

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